I've had this idea to share this kind of subject that has been bothering me with you, fellow sla-- ahem, deviants.
So, you know about ''Original Character'', right? DUH! Of course you do!
But did you CLEARLY thought about the meaning of it? Focuse on the ''original'' prefix. You know what means original? Yes, DUH too! You do either! An original character is a character created by you, that focuses your OWN universe that you have created. A story of your own.
If you created an original character that focuses a fandom, Sonic by example, then it should be called a ''FAN character''. Why? Because this is a false character that goes to an already existing universe created by someone else. And it is not original. I think they should be considered fan characters, then, instead of, you know, ORIGINAL ones. Because if you are going to call that character from an already existing content ''original'', then it's stealing the subject and story.
Well, not really, I guess. Just replace ''OC'' for ''FC''. Or something else. That's what I do!
Hope this educated you well, kids! See you next time!